Fig. 2: Crystal structure of sulfatinib in complex with FGFR1.
From: Structural basis and selectivity of sulfatinib binding to FGFR and CSF-1R

A Overall structure of the sulfatinib/FGFR1 complex. B FGFR1 adopts a DFG-in activation loop conformation. C Hydrogen-bond interaction between sulfatinib and FGFR1.